Due to recent bot attacks we have changed the sign-up process. If you want to participate in our forum please send a message via our contact form. › Forums › Lattice Boltzmann Methods › General Topics › compile error in olb-1.3r1- math.h not included › Reply To: compile error in olb-1.3r1- math.h not included November 17, 2020 at 5:05 pm #5331 sharkskinz3Participant Thanks Stephan (and sorry for posting on the wrong forum!)